diff options
| author | Steven Price <steven.price@arm.com> | 2021-06-21 12:17:13 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-06-22 14:08:05 +0100 |
| commit | e1f358b5046479d2897f23b1d5b092687c6e7a67 (patch) | |
| tree | 2b99e61386b7a7c63bb55cc694b8787dce8a00c1 /arch/arm64/include/asm/kvm_host.h | |
| parent | ea7fc1bb1cd1b92b42b1d9273ce7e231d3dc9321 (diff) | |
KVM: arm64: Save/restore MTE registers
Define the new system registers that MTE introduces and context switch
them. The MTE feature is still hidden from the ID register as it isn't
supported in a VM yet.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210621111716.37157-4-steven.price@arm.com
Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 1c4293c46ef6..74a7447a83a1 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -209,6 +209,12 @@ enum vcpu_sysreg { CNTP_CVAL_EL0, CNTP_CTL_EL0, + /* Memory Tagging Extension registers */ + RGSR_EL1, /* Random Allocation Tag Seed Register */ + GCR_EL1, /* Tag Control Register */ + TFSR_EL1, /* Tag Fault Status Register (EL1) */ + TFSRE0_EL1, /* Tag Fault Status Register (EL0) */ + /* 32bit specific registers. Keep them at the end of the range */ DACR32_EL2, /* Domain Access Control Register */ IFSR32_EL2, /* Instruction Fault Status Register */ |